129358005 has 16 divisors (see below), whose sum is σ = 236540544. Its totient is φ = 59135040.

The previous prime is 129357979. The next prime is 129358007. The reversal of 129358005 is 500853921.

It is not a de Polignac number, because 129358005 - 2⁵ = 129357973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129358007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615886 + ... + 616095.

It is an arithmetic number, because the mean of its divisors is an integer number (14783784).

Almost surely, 2^129358005 is an apocalyptic number.

129358005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129358005 is a deficient number, since it is larger than the sum of its proper divisors (107182539).

129358005 is a wasteful number, since it uses less digits than its factorization.

129358005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231996.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 129358005 is about 11373.5660634649. The cubic root of 129358005 is about 505.7444237817.

The spelling of 129358005 in words is "one hundred twenty-nine million, three hundred fifty-eight thousand, five".